Air Quality
Excellent
No health implications.
16
PM2.5
26
PM10
26
O3
0.7
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
53
Good
Mon
25 May
55
Good
Tue
26 May
57
Good
Wed
27 May
80
Good
Thu
28 May
96
Good
Fri
29 May
95
Good
Sat
30 May
35
Excellent
Air quality in the last 12 months (Liuhe)
|
2026/04
|
113
|
68
|
60
|
52
|
76
|
67
|
43
|
42
|
47
|
46
|
57
|
38
|
27
|
40
|
48
|
42
|
59
|
49
|
47
|
42
|
67
|
30
|
31
|
44
|
64
|
60
|
58
|
36
|
31
|
42
|
|
|
2026/03
|
33
|
32
|
65
|
41
|
47
|
69
|
42
|
37
|
68
|
54
|
64
|
59
|
68
|
89
|
56
|
56
|
68
|
61
|
94
|
110
|
87
|
67
|
63
|
65
|
69
|
89
|
67
|
65
|
62
|
49
|
114
|
|
2026/02
|
56
|
80
|
84
|
80
|
98
|
55
|
43
|
45
|
39
|
51
|
93
|
98
|
82
|
72
|
88
|
67
|
94
|
88
|
90
|
61
|
46
|
120
|
85
|
31
|
57
|
33
|
15
|
40
|
|||
|
2026/01
|
32
|
46
|
53
|
80
|
135
|
112
|
46
|
73
|
74
|
85
|
61
|
67
|
84
|
86
|
90
|
143
|
106
|
59
|
21
|
43
|
48
|
46
|
60
|
94
|
85
|
20
|
56
|
65
|
56
|
29
|
28
|
|
2025/12
|
93
|
53
|
47
|
54
|
71
|
75
|
84
|
79
|
65
|
67
|
101
|
25
|
41
|
64
|
66
|
71
|
103
|
78
|
94
|
119
|
37
|
37
|
39
|
82
|
63
|
39
|
60
|
75
|
92
|
108
|
26
|
|
2025/11
|
117
|
68
|
31
|
52
|
51
|
45
|
43
|
19
|
47
|
46
|
29
|
47
|
71
|
118
|
81
|
84
|
23
|
35
|
47
|
52
|
88
|
112
|
98
|
94
|
80
|
69
|
212
|
121
|
92
|
91
|
|
|
2025/10
|
36
|
36
|
18
|
31
|
55
|
59
|
39
|
33
|
35
|
44
|
68
|
52
|
22
|
22
|
45
|
17
|
31
|
18
|
25
|
24
|
21
|
25
|
27
|
43
|
43
|
49
|
52
|
49
|
43
|
33
|
37
|
|
2025/09
|
22
|
25
|
36
|
37
|
54
|
54
|
42
|
39
|
15
|
30
|
36
|
33
|
19
|
43
|
18
|
40
|
27
|
21
|
30
|
22
|
29
|
32
|
39
|
17
|
10
|
21
|
33
|
24
|
38
|
27
|
|
|
2025/08
|
14
|
10
|
18
|
26
|
40
|
33
|
20
|
24
|
31
|
12
|
14
|
18
|
45
|
20
|
23
|
32
|
36
|
38
|
40
|
39
|
42
|
30
|
28
|
32
|
24
|
18
|
39
|
32
|
38
|
29
|
18
|
|
2025/07
|
32
|
36
|
35
|
42
|
44
|
47
|
33
|
17
|
19
|
48
|
34
|
25
|
29
|
27
|
40
|
39
|
25
|
28
|
25
|
16
|
19
|
18
|
22
|
27
|
29
|
21
|
23
|
16
|
24
|
17
|
10
|
|
2025/06
|
20
|
12
|
40
|
57
|
42
|
42
|
32
|
32
|
31
|
45
|
38
|
39
|
33
|
40
|
21
|
40
|
43
|
39
|
16
|
28
|
17
|
29
|
33
|
30
|
40
|
44
|
22
|
14
|
15
|
23
|
|
|
2025/05
|
53
|
59
|
47
|
39
|
41
|
71
|
76
|
49
|
25
|
34
|
37
|
51
|
49
|
60
|
81
|
24
|
51
|
71
|
69
|
49
|
34
|
54
|
46
|
51
|
51
|
49
|
44
|
53
|
54
|
51
|
58
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution